Home / 4,212.98-6,318.74-1,251.35

Finding the Fourth Proportional to 4,212.98, 6,318.74 and 1,251.35

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Solution

The fourth proportional to 4,212.98, 6,318.74 and 1,251.35 is: 1,876.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.98 : 6,318.74 = 1,251.35 : x
  2. Step 2: Convert to fraction form
    4,212.98/6,318.74 = 1,251.35/x
  3. Step 3: Cross multiply
    4,212.98x = 6,318.74 × 1,251.35
  4. Step 4: Simplify right side
    4,212.98x = 7,906,955.30
  5. Step 5: Solve for x
    x = 7,906,955.30/4,212.98
  6. Step 6: Final answer
    x = 1,876.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.